“四”概念、定义、翻译-科学时代

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

单词	四
释义	化工词汇手册四 quadri-; quadru-; tetra-
随便看	structural structural adhesive structural adjustment structural adjustment structural adjustment policy structural ambiguity structural analysis structural analysis structural analysis structural analysis structural analysis structural analysis structural analysis structural analysis programme system structural anisotropy structural anthropology structural anthropology structural approach limit of tunnel structural archaeology structural archaeology structural assimilation structural basin structural basin structural breakdown structural budget